Special Issue "Polymer Morphology during Manufacturing"

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Physics and Theory".

Deadline for manuscript submissions: closed (15 October 2019) | Viewed by 5304

Special Issue Editors

Prof. Dr. Geoffrey R. Mitchell
E-Mail Website
Guest Editor
Prof. Dr. Nuno Alves
E-Mail Website
Guest Editor
Polytechnic Institute of Leiria, Centre for Rapid and Sustainable Product Development, Leiria, Portugal
Interests: additive manufacturing; biomimetics and bioinspiration; computer-aided engineering; computer-aided manufacturing; multi-material 3D/4D structures; industrial/biomedical applications; tissue engineering; mould design and polymer injection moulding; circular economy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The properties of polymers, both synthetic and biopolymers, depend as much on the manufacturing process used to create the object as the igneuity of the molecule maker. It is well established that in manufacturing operations, such as extrusion, injection molding, fiber spinning, additive manufacturing, casting, and film blowing, the molten polymer is exposed to varying levels of stress and flow fields that induce different levels of anisotropy in the polymer melt and modify the nucleation and crystallization behaviour in the case of semi-crystalline polymers. Setting processing conditions is important for obtaining the morphology that in turn affects the final material properties and their performances.

This Special Issue is concerned with the morphology that polymers can develop during manufacturing and/or processing. There are no limits in terms of the manufacturing process, and papers relating to new technologies such as 3d printing and 4d printing are as welcome as new information on more established manufacturing processes. The study of polymer morphology is naturally multiscale, and contributions that reflect this in the experimental or theory work are especially welcome. Contributions that are centered on the mathematical or computational modelling of the morphology or of the manufacturing processes that lead to the development of the morphology are also very welcome. We emphasise that there are no limitations on the type of application, the nature of the materials (crystalline, liquid crystalline, nanocomposites, composites, thermosets, and thermoplastic), and the composition and scope of polymers investigated. Both original contributions and reviews are welcome.

Prof. Geoffrey Mitchell
Dr. Donatella Duraccio
Prof. Nuno Alves
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Processing
  • Structure–property relationships
  • Morphology
  • Composites, nanocomposites, blends
  • Additive manufacturing
  • Experimental techniques
  • Theory
  • Mathematical models
  • Computational simulation

Published Papers (2 papers)

Order results
Result details
Select all
Export citation of selected articles as:

Research

Article
Films Based on a Blend of PVC with Copolymer of 3-Hydroxybutyrate with 3-Hydroxyhexanoate
Polymers 2020, 12(2), 270; https://doi.org/10.3390/polym12020270 - 28 Jan 2020
Cited by 4 | Viewed by 2614
Abstract
Polymeric packaging materials are one of the factors of environmental pollution. Reducing the environmental burden is possible by increasing the environmental friendliness of packaging materials. In this work, we study polymer films based on polyvinyl chloride (PVC) with a copolymer of 3-hydroxybutyrate with [...] Read more.
Polymeric packaging materials are one of the factors of environmental pollution. Reducing the environmental burden is possible by increasing the environmental friendliness of packaging materials. In this work, we study polymer films based on polyvinyl chloride (PVC) with a copolymer of 3-hydroxybutyrate with 3-hydroxyhexanoate P (3-GB) (3-GG) with different component ratios. The process of processing blends in the process of obtaining a packaging film is considered. The optical characteristics of the obtained films are determined. Thermal analysis of the obtained films was carried out using the differential scanning calorimetry (DSC), TGA, and thermomechanical analysis (TMA) methods. The degree of gelling of the resulting mixture was determined. It is shown that PHB has miscibility with PVC. Full article
(This article belongs to the Special Issue Polymer Morphology during Manufacturing)
Show Figures

Graphical abstract

Article
A Dissipative Particle Dynamics Study of Flow Behaviors in Ultra High Molecular Weight Polyethylene/Polyamide 6 Blends Based on Souza-Martins Method
Polymers 2019, 11(8), 1275; https://doi.org/10.3390/polym11081275 - 31 Jul 2019
Cited by 3 | Viewed by 2215
Abstract
This paper presents our study on the use of dissipative particle dynamics (DPD) simulations to discover the flow behavior in ultra high molecular weight polyethylene/polyamide 6 (UHMWPE/PA6) blends associated with extensional-shear coupled flow, based on the Souza-Martins method, for the first time. By [...] Read more.
This paper presents our study on the use of dissipative particle dynamics (DPD) simulations to discover the flow behavior in ultra high molecular weight polyethylene/polyamide 6 (UHMWPE/PA6) blends associated with extensional-shear coupled flow, based on the Souza-Martins method, for the first time. By way of simulations, we aimed at investigating the mesoscopic morphology and alignment behavior in response to extensional-shear coupled flow, in comparison with simple shear flow and simple extensional flow. Our results reveal that the aggregation of polymers is noticeable under zero flow, as expected. Within the considered range of extensional-shear coupled rates, the morphology transforms from micelle-like clusters to a chain-like network structure by increasing coupled rates from 0.01 to 2.0. Furthermore, it shows a linear distribution along the flow direction at a high coupled rate. It can be concluded that the flow behaviors in UHMWPE/PA6 blends are significantly impacted by extensional-shear coupled rates. The orientation behavior induced by extensional-shear coupled flow is more obvious than shear flow, even though flow variations and mass fractions yield less effects on the distribution behaviors of UHMWPE/PA6 blends. The DPD results are verified by mean square displacement (MSD) as a function of simulation time and relative concentration distribution along Z direction. Full article
(This article belongs to the Special Issue Polymer Morphology during Manufacturing)
Show Figures

Graphical abstract

Back to TopTop